AutoCAD Plot Scales Reference Guide

Quick Calculator 🖩
Scale 1:
mm: 0.01xp cm: 0.1xp m: 10xp
💡 Quick Tip

Use the shortcut command "z" followed by the scale value. For example for a plot scale of 1:400: "z 2.5xp (Enter)"

Basic Rule:

zoom (millimetres in one drawing unit) × (scale) "xp"

Usage Examples

Example 1: Drawing in centimeters (10 mm) and printing at 1:50:
Calculation: (10) × (1/50) = "0.2xp"

Example 2: Drawing in meters (1000 mm) and printing at 1:200:
Calculation: (1000) × (1/200) = "5xp"

Plot Scale mm cm m
Buy me a Coffee ☕

AutoCAD Plot Scale Calculator: Essential Tool for Engineers

This free online AutoCAD Plot Scale Calculator helps civil engineers, architects, and drafters quickly determine the correct zoom scale factor for accurate plotting in AutoCAD and Civil 3D.

Understanding AutoCAD Plot Scales

When working with AutoCAD, setting the correct plot scale is crucial for producing accurate drawings. The plot scale represents the ratio between the size on paper and the actual size of the object. Our calculator simplifies this process by converting your desired scale (1:100, 1:500, etc.) into the correct "xp" zoom command value.

Why Use This Calculator?

  • Instantly calculate the correct zoom scale factor for any plot scale
  • Convert between different unit systems (mm, cm, m) automatically
  • Save time with ready-to-use reference values for common scales
  • Avoid printing errors and scale inconsistencies in your drawings
  • Optimize your AutoCAD workflow with accurate scaling commands

How to Use the Plot Scale Calculator

  1. Enter your desired plot scale (e.g., 100 for 1:100)
  2. View the automatically calculated values for mm, cm, and m
  3. Use the resulting "xp" value in AutoCAD's zoom command
  4. Reference the table for common predefined scales

Whether you're working on site plans, construction drawings, or detailed engineering designs, this calculator ensures your AutoCAD plots will be scaled correctly every time. The tool works with all versions of AutoCAD, Civil 3D, and other CAD software that uses the "xp" zoom scale factor.

Privacy Notice

This calculator performs all calculations directly in your browser. No data is sent to our servers, and we have no access to the values you enter. Your information remains completely private while using this tool.